EP 1111128 B1 20030618 - PRODUCT FOR DESACIDIFICATION OF CELLULOSE MATERIAL, PRODUCTION AND UTILIZATION THEREOF
Title (en)
PRODUCT FOR DESACIDIFICATION OF CELLULOSE MATERIAL, PRODUCTION AND UTILIZATION THEREOF
Title (de)
PRODUKT ZUR ENTSÄUERUNG VON ZELLSTOFFMATERIAL, SEINE GEWINNUNG UND SEINE VERWENDUNG
Title (fr)
PRODUIT DE DESACIDIFICATION DE MATIERE CELLULOSIQUE, SON OBTENTION ET UTILISATION
Publication
Application
Priority
- ES 9900242 W 19990729
- ES 9801733 A 19980731
- ES 9801737 A 19980731
Abstract (en)
[origin: EP1111128A2] The product is presented in the form of a solution and is composed of carbonated magnesium di-n-propylate, n-propanol, and a hydrofluorocarbon (HFC) diluent selected from 1,1,1,2-tetrafluoroethane (HFC 134a) and 1,1,1,2,3,3,3-heptafluoropropane (HFC 227). The product may be obtained by a procedure which comprises preparing a solution of carbonated magnesium di-n-propylate in n-propanol and diluting said solution by addition of the HFC diluent. The product is suitable for de-acidifying cellulose-type material and preserving objects based on cellulose-type material.
IPC 1-7
IPC 8 full level
D21H 25/18 (2006.01)
CPC (source: EP)
D21H 25/18 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1111128 A2 20010627; EP 1111128 B1 20030618; AT E243283 T1 20030715; AU 5290699 A 20000228; BR 9912591 A 20011016; BR 9912591 B1 20090505; CA 2339021 A1 20000217; CA 2339021 C 20080311; DE 69908955 D1 20030724; DE 69908955 T2 20040519; DK 1111128 T3 20031006; ES 2201754 T3 20040316; MX PA01001211 A 20020424; PT 1111128 E 20031031; WO 0008250 A2 20000217; WO 0008250 A3 20000518
DOCDB simple family (application)
EP 99938395 A 19990729; AT 99938395 T 19990729; AU 5290699 A 19990729; BR 9912591 A 19990729; CA 2339021 A 19990729; DE 69908955 T 19990729; DK 99938395 T 19990729; ES 9900242 W 19990729; ES 99938395 T 19990729; MX PA01001211 A 19990729; PT 99938395 T 19990729